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<?php
// $Id: views_handler_argument_search.inc,v 1.1.2.2 2010/01/24 22:37:52 dereine Exp $
/**
* Argument that accepts query keys for search.
*/
class views_handler_argument_search extends views_handler_argument {
/**
* Take sure that parseSearchExpression is runned and everything is set up for it.
*
* @param $input
* The search phrase which was input by the user.
*/
function query_parse_search_expression($input) {
if (!isset($this->search_query)) {
$this->search_query = db_select('search_index', 'i', array('target' => 'slave'))->extend('viewsSearchQuery');
$this->search_query->searchExpression($input, $this->view->base_table);
$this->search_query->publicParseSearchExpression();
}
}
/**
* Add this argument to the query.
*/
function query() {
$required = FALSE;
$this->query_parse_search_expression($this->argument);
if (!isset($this->search_query)) {
$required = TRUE;
}
else {
$words = $this->search_query->words();
if (empty($words)) {
$required = TRUE;
}
}
if ($required) {
$this->query->add_where($this->options['group'], 'FALSE');
}
}
else {
$search_index = $this->ensure_my_table();
$or = db_or();
foreach ($words as $word) {
$or->condition("$search_index.word", $word);
}
// Create a new join to relate the 'search_total' table to our current 'search_index' table.
$join = new views_join;
$join->construct('search_total', $search_index, 'word', 'word');
$search_total = $this->query->add_relationship('search_total', $join, $search_index);
$this->search_score = $this->query->add_field('', "SUM($search_index.score * $search_total.count)", 'score', array('aggregate' => TRUE));
$this->query->add_where($this->options['group'], $or);
if (empty($this->query->relationships[$this->relationship])) {
$base_table = $this->query->base_table;
}
else {
$base_table = $this->query->relationships[$this->relationship]['base'];
}
$this->query->add_where($this->options['group'], "$search_index.type", $base_table);
if (!$this->search_query->simple()) {
$search_dataset = $this->query->add_table('search_dataset');
$conditions = $this->search_query->conditions();
$condition_conditions =& $conditions->conditions();
foreach ($condition_conditions as $key => &$condition) {
// Take sure we just look at real conditions.
if (is_numeric($key)) {
// Replace the conditions with the table alias of views.
$this->search_query->condition_replace_string('d.', "$search_dataset.", $condition);
}
}
$this->query->add_where($this->options['group'], $conditions);
}
$this->query->add_groupby("$search_index.sid");
$matches = $this->search_query->matches();
$placeholder = $this->placeholder();
$this->query->add_having_expression($this->options['group'], "COUNT(*) >= $placeholder", array($placeholder => $matches));